Addition
3 + 7
10
7 - 2
5
4 x 3
12
9 ÷ 3
3
What is a negative number times a negative number?
positive
(-4) + (-3)
-7
6 - 9
-3
-2 x 8
-16
-20 ÷ 4
-5
What is the rule for adding 2 negative numbers?
Add the numbers
Keep the negative sign
(-5) + (-9)
-14
(-3) - 5
-8
(-7)(-9)
63
-72 / 9
-8
Draw the 3 symbols that mean division.
1) ÷
2) /
3) ___
(-8) + 2
-6
4 - (-2)
6
-12 x -7
84
-49 / -7
7
What is the rule for subtracting fractions?
Same Change Change
-1
-15 x 3
-45
-120 / -12
10
What are integers?
Positive numbers, negative numbers, and 0
(No fractions or decimals)